Foods high in cystine

Soy based protein powder tops the list with 0.32 g per serving. Ranked from 4,715 everyday foods (not packaged products); dried spices, protein powders and regional specialties are left out.

Per 100 gPer servingPer 100 calories
All foodsBakedBeefBeveragesBreakfast CerealsCereal Grains & PastaDairy & EggFast FoodsFats & OilsFinfish & ShellfishFruits & Fruit JuicesLamb, Veal, & GameLegumes & LegumeMeals, Entrees, & Side DishesNut & SeedPorkPoultryRestaurant FoodsSausages & Luncheon MeatsSnacksSoups, Sauces, & GraviesSweetsVegetables & Vegetable
  1. 1Soy based protein powderBeverages · 1 scoop (45 g)0.32 g
  2. 2Beverages, Malted drink mix, natural, powder, prepared with whole milkBeverages · 1 cup (8 fl oz) (265 g)0.09 g
  3. 3Beverages, Strawberry-flavor beverage mix, powder, prepared with whole milkBeverages · 1 cup (8 fl oz) (266 g)0.074 g
  4. 4Vanilla shake, fast foodBeverages · 1 cup (8 fl oz) (166 g)0.063 g
  5. 5Beverages, Malted drink mix, chocolate, powder, prepared with whole milkBeverages · 1 cup (8 fl oz) (265 g)0.061 g
  6. 6Fast food strawberry shakeBeverages · 8 fl oz (188 g)0.058 g
  7. 7Beverages, coffee substitute, cereal grain beverage, powder, prepared with whole milkBeverages · 6 fl oz (185 g)0.057 g
  8. 8Chocolate syrup, prepared with whole milkBeverages · 1 cup (8 fl oz) (282 g)0.048 g
  9. 9Beverages, chocolate-flavor beverage mix, powder, prepared with whole milkBeverages · 1 cup (8 fl oz) (266 g)0.048 g
  10. 10Beverages, Carob-flavor beverage mix, powder, prepared with whole milkBeverages · 1 cup (8 fl oz) (256 g)0.041 g
  11. 11Beverages, Eggnog-flavor mix, powder, prepared with whole milkBeverages · 1 cup (8 fl oz) (272 g)0.041 g
  12. 12Peanut meal supplement drink, cannedBeverages · 1 cup (158 g)0.016 g
  13. 13Coffee cream liqueur, 34 proofBeverages · 1.5 fl oz (47 g)0.012 g
  14. 14Chocolate almond milk, ready-to-drinkBeverages · 1 cup (240 g)0.012 g
  15. 15Clam and tomato juice, cannedBeverages · 8 fl oz (242 g)0.007 g
  16. 16Coffee, brewed with tap waterBeverages · 1 cup (8 fl oz) (237 g)0.005 g
  17. 17Decaffeinated coffee, brewed with tap waterBeverages · 1 cup (8 fl oz) (237 g)0.005 g
  18. 18Instant decaffeinated coffee, powderBeverages · 1 tsp rounded (1.8 g)0.003 g
  19. 19Instant coffee, with chicoryBeverages · 1 tsp, rounded (1.8 g)0.003 g
  20. 20Beverages, coffee, instant, regular, powderBeverages · 1 tsp (1 g)0.002 g
  21. 21Orange breakfast drink, frozen concentrateBeverages · 1 fl oz (36.3 g)0.001 g
  22. 22Instant lemon tea, with ascorbic acidBeverages · 1 serving (3 heaping tsp) (23 g)0.001 g

More rankings

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Source: USDA FoodData Central. Per serving uses each food's typical USDA portion. Daily Values are the FDA's for adults and children 4 years and older.